The SMA connector has a screwable coupling mechanism and is the industry standard for antenna connection. The SMA connector is also used in many devices in the high-frequency range. SMA stands for sub-miniature version A.
This SMA Male Crimp Connector has Nickel Body Plating, Gold Contact Plating, and Teflon Dielectric; For Cables: LMR-240, RG-8X and is N,G,T; FOR RG-8/X, CBL GRP X